Add the suspend callback to accompany the existing resume operation. With the suspend/resume callbacks the regmap (regcache) state handling can follow the recommended sequence.

Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- sound/soc/codecs/ak4642.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 4d8b9e49e8d6..ca9e82568b3c 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -523,15 +523,23 @@ static struct snd_soc_dai_driver ak4642_dai = { .symmetric_rates = 1, };

-static int ak4642_resume(struct snd_soc_codec *codec) +static int ak4642_suspend(struct snd_soc_codec *codec) { struct regmap *regmap = dev_get_regmap(codec->dev, NULL);

+ regcache_cache_only(regmap, true); regcache_mark_dirty(regmap); - regcache_sync(regmap); return 0; }

+static int ak4642_resume(struct snd_soc_codec *codec) +{ + struct regmap *regmap = dev_get_regmap(codec->dev, NULL); + + regcache_cache_only(regmap, false); + regcache_sync(regmap); + return 0; +} static int ak4642_probe(struct snd_soc_codec *codec) { struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec);